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Thermal spraying high temperature resistant oxidation coating for gasifier burner and preparation method of thermal spraying high temperature resistant oxidation coating

A technology of anti-high temperature oxidation and burner, which is applied in the field of coal chemical industry, can solve the problems of high technical requirements, affecting production and energy consumption indicators, and expensive imported equipment, so as to improve high temperature oxidation resistance and good high temperature oxidation resistance , the effect of expanding the scope of service

Inactive Publication Date: 2020-02-25
BEIJING HANGHUA ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

At present, the special burners used in the gasification process in the domestic coal chemical industry are expensive to import, and the service life of imported special burners for pressurized gasification of coal-water slurry is only about 40 to 60 days
Frequent replacement of burners will seriously affect production and energy consumption indicators, and the technical requirements for production, energy conservation and environmental protection are also getting higher and higher

Method used

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  • Thermal spraying high temperature resistant oxidation coating for gasifier burner and preparation method of thermal spraying high temperature resistant oxidation coating
  • Thermal spraying high temperature resistant oxidation coating for gasifier burner and preparation method of thermal spraying high temperature resistant oxidation coating
  • Thermal spraying high temperature resistant oxidation coating for gasifier burner and preparation method of thermal spraying high temperature resistant oxidation coating

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them.

[0031] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

[0032] see ...

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Abstract

The invention discloses a thermal spraying high temperature resistant oxidation coating for a gasifier burner. The thermal spraying high temperature resistant oxidation coating structurally includes abonding layer and a working layer, the bonding layer is placed at the bottom end of the working layer, the bonding layer is a NiCrAlY bonding layer, the working layer is an Al2O3 working layer, the coating thickness of the bonding layer is 50 [mu]m to 150 [mu]m , and the coating thickness of the working layer is 200 [mu]m to 400 [mu]m . The high temperature resistant oxidation performance of thecoating can be significantly improved, and the service range of the coating is expanded.

Description

technical field [0001] The invention relates to the technical field of coal chemical industry, in particular to a thermally sprayed high-temperature oxidation-resistant coating for a gasifier burner and a preparation method thereof. Background technique [0002] Burners are the most widely used heat energy core equipment in the field of energy and chemical industry. Burners must be used in industrial occasions where fuels are burned to heat materials or react. Their working stability and service life directly affect the operating efficiency of the entire industrial system. Most of the special burners work in very harsh and complex environments such as high temperature, high pressure, pure oxygen, corrosion, wear, etc., resulting in shortened burner life or damage. Greatly affect the economic benefits of enterprises. [0003] The special burner is the key equipment of the coal-water slurry pressurized gasification process. It works under the worst working conditions in the g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/073C23C4/11C23C4/129C23C4/134
CPCC23C4/073C23C4/11C23C4/129C23C4/134
Inventor 唐强颜超牙浩明高艺明王宏伟陆志明吴疆
Owner BEIJING HANGHUA ENERGY SAVING ENVIRONMENTAL PROTECTION TECH CO LTD
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